參數(shù)資料
型號(hào)： LM4863MDC
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 音頻／視頻放大
英文描述： 1.5 W, 2 CHANNEL, AUDIO AMPLIFIER, UUC
封裝： DIE
文件頁(yè)數(shù)： 17/22頁(yè)
文件大?。?/td> 757K
代理商： LM4863MDC
Electrical Characteristics for Bridged-Mode Operation (Notes 3, 13) (Continued)
The following specifications apply for V
DD= 5V unless otherwise specified. Limits apply for TA= 25C.
Symbol
Parameter
Conditions
LM4863
Units
(Limits)
Typical
(Note 14)
Limit
(Note 15)
THD+N
Total Harmonic Distortion+Noise
20Hz
≤ f ≤ 20kHz, A
VD =2
LM4863MTE, R
L =4,PO =2W
LM4863LQ, R
L =4,PO =2W
0.3
LM4863, R
L =8,PO = 1W
0.3
%
PSRR
Power Supply Rejection Ratio
V
DD = 5V, VRIPPLE = 200mVRMS,RL =8,
C
B = 1.0F
67
dB
X
TALK
Channel Separation
f = 1kHz, C
B = 1.0F
90
dB
SNR
Signal To Noise Ratio
V
DD = 5V, PO = 1.1W, RL =8
98
dB
Electrical Characteristics for Single-Ended Operation (Notes 3, 4)
The following specifications apply for V
DD= 5V unless otherwise specified. Limits apply for TA= 25C.
Symbol
Parameter
Conditions
LM4863
Units
(Limits)
Typical
(Note 14)
Limit
(Note 15)
V
OS
Output Offset Voltage
V
IN = 0V
5
50
mV (max)
P
O
Output Power
THD+N = 0.5%, f = 1kHz, R
L =32
85
75
mW (min)
THD+N = 1%, f = 1kHz, R
L =8
340
mW
THD+N = 10%, f = 1kHz, R
L =8
440
mW
THD+N
Total Harmonic Distortion+Noise
A
V = 1, PO = 75mW, 20Hz ≤ f ≤ 20kHz,
R
L =32
0.2
%
PSRR
Power Supply Rejection Ratio
C
B = 1.0F, VRIPPLE = 200mV RMS,
f = 1kHz
52
dB
X
TALK
Channel Separation
f = 1kHz, C
B = 1.0F
60
dB
SNR
Signal To Noise Ratio
V
DD = 5V, PO = 340mW, RL =8
95
dB
Note 3: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions for which the device is func-
tional, but do not guarantee specific performance limits. Electrical Characteristics state DC and AC electrical specifications under particular test conditions which guar-
antee specific performance limits. This assumes that the device is within the Operating Ratings. Specifications are not guaranteed for parameters where no limit is
given, however, the typical value is a good indication of device performance.
Note 4: The maximum power dissipation is dictated by TJMAX, θ JA, and the ambient temperature TA and must be derated at elevated temperatures. The maximum
allowable power dissipation is PDMAX =(TJMAX T A)/θJA. For the LM4863, TJMAX = 150C. For the θJAs for different packages, please see the Application Informa-
tion section or the Absolute Maximum Ratings section.
Note 5: Human body model, 100 pF discharged through a 1.5 k
resistor.
Note 6: Machine model, 220 pF–240 pF discharged through all pins.
Note 7: The given
θJA is for an LM4863 packaged in an MXA20A with the exposedDAP soldered to an exposed 2in2 area of 1oz printed circuit board copper.
Note 8: The given
θJA is for an LM4863 packaged in an MXA20A with the exposedDAP soldered to an exposed 1in2 area of 1oz printed circuit board copper.
Note 9: The given
θJA is for an LM4863 packaged in an MXA20A with the exposed-DAP not soldered to printed circuit board copper.
Note 10: The given
θJA is for an LM4863 packaged in an LQA24A with the exposedDAP soldered to an exposed 2in2 area of 1oz printed circuit board copper.
Note 11: The given
θJA is for an LM4863 packaged in an LQA24A with the exposedDAP soldered to an exposed 1in2 area of 1oz printed circuit board copper.
Note 12: The given
θJA is for an LM4863 packaged in an LQA24A with the exposed-DAP not soldered to printed circuit board copper.
Note 13: All voltages are measured with respect to the ground (GND) pins unless otherwise specified.
Note 14: Typicals are measured at 25C and represent the parametric norm.
Note 15: Limits are guaranteed to National’s AOQL (Average Outgoing Quality Level).
Note 16: The quiescent power supply current depends on the offset voltage when a practical load is connected to the amplifier.
Note 17: Output power is measured at the device terminals.
Note 18: When driving 3
loads from a 5V supply, the LM4863LQ and LM4863MTE must be mounted to the circuit board and forced-air cooled (450 linear-feet per
minute).
Note 19: When driving 4
loads from a 5V supply, the LM4863LQ and LM4863MTE must be mounted to the circuit board.
LM4863
www.national.com
4
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM4863MT 制造商:Panasonic Industrial Company 功能描述:IC
LM4863MT 制造商:Texas Instruments 功能描述:AMP AUDIO DUAL 2.2W 4863 TSSOP20
LM4863MT/NOPB 功能描述:IC AMP AUDIO PWR 3.2W AB 20TSSOP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機(jī)，2-通道（立體聲） 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點(diǎn):I²C，麥克風(fēng)，靜音，短路保護(hù)，音量控制 安裝類型:表面貼裝 供應(yīng)商設(shè)備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR)
LM4863MTE 制造商:Texas Instruments 功能描述:Audio Amp Headphone/Speaker 2-CH Stereo 3.2W Class-AB 20-Pin TSSOP EP Rail 制造商:Texas Instruments 功能描述:IC, AUDIO PWR AMP CLASS AB 2.5W TSSOP-16, Amplifier Class:AB, No. of Channels:2, 制造商:Texas Instruments 功能描述:Audio Amplifier Circuit, Dual, 20 Pin, Plastic, TSSOP
LM4863MTE/NOPB 功能描述:IC AMP AUDIO PWR 3.2W AB 20TSSOP RoHS:是 類別:集成電路 (IC) >> 線性 - 音頻放大器 系列:Boomer® 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:DirectDrive® 類型:H 類 輸出類型:耳機(jī)，2-通道（立體聲） 在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量:35mW x 2 @ 16 歐姆 電源電壓:1.62 V ~ 1.98 V 特點(diǎn):I²C，麥克風(fēng)，靜音，短路保護(hù)，音量控制 安裝類型:表面貼裝 供應(yīng)商設(shè)備封裝:25-WLP（2.09x2.09） 封裝/外殼:25-WFBGA，WLCSP 包裝:帶卷 (TR)
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